Section 169.615 - Diesel fuel systems(a) Except as provided in paragraph (b) each diesel fuel system must meet the requirements of § 56.50-75 of this chapter.(b) Each vessel of 65 feet and under must meet the requirements of §§ 182.20-22, 182.20-25, 182,20-30, 182.20-35 and 182.20-40 of this chapter.